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Home My WebLink About20152882.tiff CDPHE COLORADO Co .11. Department of Public „' Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County-Clerk to the Board 1150 O St PO Box 758 RECEIVED Greeley, CO 80632 August 24, 2015 AUG 2 7 2013 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On August 26, 2015, the Air Pollution Control Division will begin a 30-day public notice period for Bill Barrett Corporation - 18474_Anschutz State 4-62-2. A copy of this public notice and the public comment packet are enclosed. Thank you for assisting the Division by posting a copy of this public comment packet in your office. Public copies of these documents are required by Colorado Air Quality Control Commission regulations. The packet must be available for public inspection for a period of thirty (30) days from the beginning of the public notice period. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health Et Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, f P}1 Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure ec R.J.,9„ ,R9.).),;, 2015-2882 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/capne n John W. Hickentooper, Governor I Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer iis'7fi*,. CDPHE Air Pollution Control Division Notice of a Proposed Project or Activity Warranting Public Lit, Comment Website Title: Bill Barrett Corporation - 18474_Anschutz State 4-62-2 - Weld County Notice Period Begins: August 26, 2015 Notice is hereby given that an application for a proposed project or activity has been submitted to the Colorado Air Pollution Control Division for the following source of air pollution: Applicant: Bill Barrett Corporation Facility: 18474_Anschutz State 4-62-2 Oil and Gas Exploration and Production Facility SWNW of Section 2, Township 4N, Range 62W Weld County The proposed project or activity is as follows: Applicant is requesting permit coverage for condensate loadout in addition to a heated separator and two vapor recovery towers (VRTs) controlled by external combustion devices during vapor recovery unit (VRU) bypass at an exploration and production facility. The Division has determined that this permitting action is subject to public comment per Colorado Regulation No. 3, Part B, Section III.C due to the following reason(s): • permitted emissions exceed public notice threshold values in Regulation No. 3, Part B, Section III.C.1.a (25 tpy in a non-attainment area and/or 50 tpy in an attainment area) • the source is requesting a federally enforceable limit on the potential to emit in order to avoid other requirements The Division has made a preliminary determination of approval of the application. A copy of the application, the Division's analysis, and a draft of Construction Permit 14WE1772 have been filed with the Weld County Clerk's office. A copy of the draft permit and the Division's analysis are available on the Division's website at https://www.colorado.gov/pacific/cdphe/air-permit-public-notices The Division hereby solicits submission of public comment from any interested person concerning the ability of the proposed project or activity to comply with the applicable standards and regulations of the Commission. The Division will receive and consider written public comments for thirty calendar days after the date of this Notice. Any such comment must be submitted in writing to the following addressee: Harrison Slaughter Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us STATE OF COLORADO of coo,, COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT ew AIR POLLUTION CONTROL DIVISION TELEPHONE: (303)692-3150 „ /i t 1876 i� CONSTRUCTION PERMIT PERMIT NO: 1 4W E1772 772 Issuance 1 DATE ISSUED: ISSUED TO: Bill Barrett Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas exploration and production facility, known as 18474_Anschutz State 4-62-2, located in the SWNW of Section 2, Township 4N, Range 62W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Description Equipment ID Point Condensate 003 Truck loadout of condensate. Emissions from the loadout are Loadout not controlled. Heated separator and two (2) vapor recovery towers (VRTs) to reduce flash emissions. Emissions are function of condensate throughput during vapor recovery unit (VRU) bypass. 35% VRU Bypass 009 VRU bypass is assumed. The heated separator and VRTs are controlled by five (5) enclosed combustors during VRU bypass. Enclosed combustors have a minimum control efficiency of 95%. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et sect), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. YOU MUST notify the Air Pollution Control Division (the Division) no later than fifteen days of the latter of commencement of operation or issuance of this permit, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at https://www.colorado.gov/pacific/cdphe/other-air- permitting-notices. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit. AIRS ID: 123/9CDC Page 1 of 10 Condensate Loadout TM Version 2012-1 Co A do Bp e ; o Public Health and Environment I i Air Pollution Control Division 2. Within one hundred and eighty days (180) of the latter of commencement of operation or issuance of this permit, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operator's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, III.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 4. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 5. Point 009: The following information shall be provided to the Division within fifteen (15) days after issuance of permit. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference: Regulation No. 3, Part B, III.E.) 6. The operator shall retain the permit final authorization letter issued by the Division after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 7. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Annual Limits: Facility AIRS Tons per Year Emission Equipment ID Point NOx VOC CO Type Condensate 003 --- 30.6 --- Point Loadout VRU Bypass 009 1.4 39.1 7.7 Point See "Notes to Permit Holder"for information on emission factors and methods used to calculate limits. AIRS ID: 123/9CDC Page 2 of 10 " k Co do p me o Public Health and Environment Air Pollution Control Division Facility-wide emissions of each individual hazardous air pollutant shall be less than 8.0 tpy. Facility-wide emissions of total hazardous air pollutants shall be less than 20.0 tpy. Compliance with the annual limits shall be determined by recording the facility's annual criteria pollutant emissions, (including all HAPs above the de-minimis reporting level) from each emission unit, on a rolling twelve (12) month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 8. The emission points in the table below shall be operated and maintained with the control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit (Reference: Regulation No.3, Part B, Section III.E.) Facility AIRS Pollutants Equipment Point Control Device Controlled ID VRU 009 Five (5) Enclosed Combustors VOC, HAPs Bypass PROCESS LIMITATIONS AND RECORDS 9. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rate shall be maintained by the owner or operator and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID Condensate 003 Condensate Loading 302,443 BBL Loadout Condensate throughput through separator VRU Bypass 009 and VRTs while emissions are routed to 105,855 BBL enclosed combustors. The owner or operator shall monitor monthly process rates based on the calendar month. Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS AIRS ID: 123/9CDC Page 3 of 10 0 ' Co I do I p e o Public Health and Environment Air Pollution Control Division 10. These sources are subject to the odor requirements of Regulation No. 2. (State only enforceable). 11. Point 003: This source is located in an ozone non-attainment or attainment- maintenance area and is subject to the Reasonably Available Control Technology (RACT) requirements of Regulation Number 3, Part B, III.D.2.a. Condensate loading to truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) 12. Point 003: The owner or operator shall follow loading procedures that minimize the leakage of VOCs to the atmosphere including, but not limited to (Reference: Regulation 3, Part B, III.E): a) Hoses, couplings, and valves shall be maintained to prevent dripping, leaking, or other liquid or vapor loss during loading and unloading. b) All compartment hatches (including thief hatches) shall be closed and latched at all times when loading operations are not active, except for periods of maintenance, gauging, or safety of personnel and equipment. c) The owner or operator shall inspect loading equipment and operations onsite at the time of inspections to monitor compliance with Condition 12 (a) and (b) above. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. 13. Point 003: All hydrocarbon liquid loading operations, regardless of size, shall be designed, operated and maintained so as to minimize leakage of volatile organic compounds to the atmosphere to the maximum extent practicable. 14. Point 009: The permit number and AIRS ID number shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3, Part B, III.E.) (State only enforceable) 15. Point 009: The enclosed combustor covered by this permit is subject to Regulation No. 7, Section XVII.B.2 General Provisions (State only enforceable). All air pollution control equipment shall be operated and maintained pursuant to the manufacturing specifications or equivalent to the extent practicable, and consistent with technological limitations and good engineering and maintenance practices. The owner or operator shall keep manufacturer specifications or equivalent on file. In addition, all such air pollution control equipment shall be adequately designed and sized to achieve the control efficiency rates and to handle reasonably foreseeable fluctuations in emissions of VOCs and other hydrocarbons during normal operations. Fluctuations in emissions that occur when the separator dumps into the tank are reasonably foreseeable. 16. Point 009: Per Regulation no. 7, Section XVII.B.2.d, all combustion devices used to control emissions of hydrocarbons must be equipped with and operate an auto-igniter. 17. Point 009: The separator and VRTs covered by this permit are subject to Regulation 7, Section XVII.G. (State Only). On or after August 1, 2014, gas coming off a separator, produced during normal operation from any newly constructed, hydraulically fractured, or recompleted oil and gas well, must either be routed to a gas gathering line or controlled from the date of first production by air pollution control equipment that achieves an AIRS ID: 123/9CDC Page 4 of 10 Co 4.i do p . e o Public Health and Environment y Air Pollution Control Division average hydrocarbon control efficiency of 95%. If a combustion device is used, it must have a design destruction efficiency of at least 98% for hydrocarbons. OPERATING & MAINTENANCE REQUIREMENTS 18. Point 009: Upon startup of these points, the owner or operator shall follow the most recent operating and maintenance (O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) 19. Point 009: Within 180 days after issuance of this permit, the owner or operator shall continuously monitor and record VRU downtime while emissions are routed to the backup Enclosed Control Devices using a SCADA (supervisory control and data acquisition) system. The owner or operator shall use monthly VRU downtime records, monthly condensate throughput records and calculation methods detailed in the O&M Plan to demonstrate compliance with the process and emissions limits specified in this permit. After issuance of this permit and prior to startup of the SCADA monitoring system, the operator shall monitor and record VRU downtime manually through site visits a minimum of once per week until the SCADA monitoring system is continuously monitoring and recording VRU downtime, at which point the manual checks for VRU downtime are no longer required. If the VRU is observed to not be operating during a site visit, the operator must record downtime hours as the number of hours elapsed since the last time the VRU was observed to be operating. COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 20. Point 009: The owner or operator shall demonstrate compliance with opacity standards, using EPA Method 22 to determine the presence or absence of visible emissions. "Visible Emissions" means observations of smoke for any period or periods of duration greater than or equal to one (1) minute in any fifteen (15) minute period during normal operation. (Reference No. 7 Section XVII.All) ADDITIONAL REQUIREMENTS 21. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. Annually by April 30th whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported in the last APEN; or For volatile organic compounds (VOC) and nitrogen oxides sources (NOx) in ozone nonattainment areas emitting less than 100 tons of VOC or NOx per year, a change in annual actual emissions of one (1) ton per year or more or five percent, whichever is greater, above the level reported on the last APEN; or AIRS ID: 123/9CDC Page 5 of 10 ilCo A do I p e o Public Health and Environment I Air Pollution Control Division For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more, whichever is less, above the level reported on the last APEN submitted; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 22. Federal regulatory program requirements (i.e. PSD, NANSR) shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable Federal program threshold will require a full review of the source as though construction had not yet commenced on the source. The source shall not exceed the Federal program threshold until a permit is granted. (Regulation No. 3 Part D). GENERAL TERMS AND CONDITIONS 23. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 24. If this permit specifically states that final authorization has been granted, then the remainder of this condition is not applicable. Otherwise, the issuance of this construction permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part B, Section III.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization. Details for obtaining final authorization to operate are located in the Requirements to Self- Certify for Final Authorization section of this permit. 25. This permit is issued in reliance upon the accuracy and completeness of information supplied by the owner or operator and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the owner or operator or owner or operator's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. AIRS ID: 123/9CDC Page 6 of 10 Co do p e ' o Public Health and Environment ' Air Pollution Control Division 26. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 27. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the owner or operator, or the Division revokes a permit, the owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 28. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 29. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. By: Harrison Slaughter Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation AIRS ID: 123/9CDC Page 7 of 10 IDCo A do I p e o Public Health and Environment Air Pollution Control Division Notes to Permit Holder at the time of this permit issuance: 1) The permit holder is required to pay fees for the processing time for this permit. An invoice for these fees will be issued after the permit is issued. The permit holder shall pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit (Reference: Regulation No. 3, Part A, Section VI.B.) 2) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application. These limits may be revised upon request of the owner or operator providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and complete application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1. of the Common Provisions Regulation. See: https://www.colorado.gov/pacific/cdphe/aqcc-regs 4) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s)operate at the permitted limitations. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Rate Point Pollutant CAS# (Ib/yr) reportable? (lb/yr) n-Hexane 110543 1872 Yes N/A Benzene 71432 352 Yes N/A Toluene 108883 769 Yes N/A 003 Ethylbenzene 100414 352 Yes N/A Xylenes 1330207 798 Yes N/A 2,2,4- 540841 623 Yes N/A Trimethylpentane n-Hexane 110543 39,495 Yes 1,975 Benzene 71432 7,156 Yes 358 Toluene 108883 5,601 Yes 280 009 Ethylbenzene 100414 947 Yes 48 Xylenes 1330207 1,821 Yes 91 2,2,4- 540841 5,417 Yes 271 Trimethylpentane AIRS ID: 123/9CDC Page 8 of 10 Col do p e o Public Health and Environment Air Pollution Control Division 5) The emission levels contained in this permit are based on the following emission factors: Point 003: Emission Factors -Uncontrolled CAS Pollutant lb/1000 gallon Source loaded VOC 4.817 AP-42 110543 n-Hexane 0.1474 Mass Balance 71432 Benzene 0.0277 Mass Balance 108883 Toluene 0.0605 Mass Balance 100414 Ethylbenzene 0.0277 Mass Balance 1330207 Xylenes 0.0628 Mass Balance 540841 2'2'4 0.0491 Mass Balance Trimethylpentane The uncontrolled VOC emission factor was calculated using AP-42, Chapter 5.2, Equation 1 (version 1/95) using the following values: L= 12.46*S*P*M/T S = 0.6 (Submerged loading: dedicated normal service) P (true vapor pressure) = 5.0032 psia M (vapor molecular weight) = 66 lb/lb-mol T(temperature of liquid loaded) = 512.45 °R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the VOC emission factor (lbs/1000 gallons) by the ratio of each NCRP mass fraction from the liquids analysis to the VOC mass fraction from the liquids analysis. VOCEF,lbs l (HAP wt fraction in liquids analysis) EFHap = (1000 gallons) * VOC wt fraction in liquids analysis) Point 009: Emission Emission CAS# Pollutant Factors Factors Source Uncontrolled Controlled 0.068 0.068 NOx lb/MMBtu lb/MMBtu AP-42 CO 0.37 lb/MMBtu 0'37 AP-42 lb/MMBtu VOC 14.747 0.7373 ProMax lb/bbl lb/bbl 71432 Benzene 0.0676 0.00338 ProMax lb/bbl lb/bbl 108883 Toluene 0.0529 0.002645 ProMax lb/bbl lb/bbl 100414 Ethylbenzene 0.0089 0.000445 ProMax lb/bbl lb/bbl 1330207 Xylenes 0.0172 0.00086 ProMax lb/bbl lb/bbl AIRS ID: 123/9CDC Page 9 of 10 t; Co A do a p e o Public Health and Environment I Air Pollution Control Division Emission Emission CAS# Pollutant Factors Factors Source Uncontrolled Controlled 110543 n-hexane 0.3731 0.01866 ProMax lb/bbl lb/bbl 540841 2,2,4-TMP 0.0512 0.00256 ProMax lb/bbl lb/bbl Note: The uncontrolled VOC and HAP emissions for this point were calculated using a ProMax simulation that utilized the September 25, 2014 analysis of a pressurized liquid sample collected from the Anschutz State 4-62-2-1721 CH2 well. The controlled VOC and HAP emissions factors for point 009 are based on the combustor control efficiency of 95%. 6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years from the date it was received by the Division. A revised APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the most recent annual fee invoice to determine the APEN expiration date for each emissions point associated with this permit. For any questions regarding a specific expiration date call the Division at (303)-692-3150. 7) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC, n-Hexane, Total HAPs NANSR Synthetic Minor Source of: VOC, n-Hexane, Total HAPs 8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A—Subpart KKKK NSPS Part 60,Appendixes Appendix A-Appendix Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A—Subpart Z MACT 63.600-63.1199 Subpart AA—Subpart DDD MACT 63.1200-63.1439 Subpart EEE—Subpart PPP MACT 63.1440-63.6175 Subpart QQQ—Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ—Subpart MMMMM MACT 63.8980-End Subpart NNNNN—Subpart XXX)0(X 9) A self certification form and guidance on how to self-certify compliance as required by this permit may be obtained online at: http://www.colorado.gov/pacific/cdphe/air-permit-self-certification AIRS ID: 123/9CDC Page 10 of 10 Division Information _ Engineer: Harrison Slaughter Control Engineer: Chris Laplante Review Date: 03/20/2015 Application Date: 11/03/2014 Facility Identifiers Permit No. 14WE1772 Potentially located in ozone nonattainment area AIRs County# 123 Weld Facility# 9CDC Facility Type: exploration and production facility ❑� Located in the 8-hour non-attainment area? O True Minor Synthetic Minor for: VOC r NOx r CO Administrative Information Company Name: Bill Barrett Corporation Source Name: Anschutz State 4-62-2 Source Location: SWNW Section 2, Township 4N, Range 62W SIC: 1311 Address 1: Bill Barrett Corporation Mailing Address 2: 1099 18th St., Suite 2300 Address ty,State Zip: Denver, CO, 80202 Name: Wesley Hill Person To Phone: 303-312-8546 Contact Fax: 303-291-0420 Email: whill@billbarrettcorp.com 'Requested Action Self Certification Required? Yes Issuance Number: 1 Source Description: Oil and gas exploration and production facility known as the Anschutz State 4-62-2, located in the SWNW Section 2, Township 4N, Range 62W,Weld County,Colorado. Point Name Type Control Action Condensate Newly 003 Loadout None reported Loadout source 003 Hydrocarbon Loadout to Tanker Trucks The table of inputs below enables you to calculate the loading loss emissions factor"L". If you choose to use a state Calculations default emissions factor,you may enter L=12.46*S*P*M/T(AP-42:Chapter 5.2, Equation 1) is directly into cell B14 in units lb/1,000 L=loading losses in lb per 1000 gallons loaded gallons which will overwrite the formula. Factor Meaning Value Units Source S Saturation Factor 0.6 AP-42 AVG Vapor Pressure RVP= 10 in P True Vapor Pressure 5.0032 psia EPA Tanks 4.0.9d Gasoline RVP=10 from EPA Tanks M Molecular Weight of Var 66 lb/lb-mole 4.0.9d Fluid Properties AVG Temp for Denver, CO in EPA T Liquid Temperature 512.45 deg. R Tanks 4.0.9d L 4.82 lb/10^3 gal 2.02E-01 lb/bbl Annual requested Throughput 302443 BBL/yr 12702606 gal/yr Annual requested VOC emissions 61193 lb/yr 30.60 tpy Control: None Efficiency: 0.00% NCRPs Component Mass Fraction If the operator provides HAP speciation from a Benzene 0.0057 stable"sales oil"analysis,enter the mass fraction n-hexane 0.0306 from this data. Alternatively,if the operator Toluene 0.0126 modeled a pressurized oil to develop a site specific emissions factor,enter the modeled mass fraction Xylenes 0.0130 for the working and breathing emissions. 2,2,4-TMP 0.0102 E-Benzene 0.0057 Source: Pressurized oil Emissions Summary Table Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 0.2023 lb/bbl 30.6 tpy 30.6 tpy AP-42 Benzene 0.001163 lb/bbl 351.6 lb/yr 351.6 lb/yr AP-42 n-Hexane 0.0061901b/bbl 1872 lb/yr 1872 lb/yr AP-42 Toluene 0.002542 lb/bbl 769 lb/yr 769 lb/yr AP-42 Xylenes 0.002638 lb/bbl 798 lb/yr 798 lb/yr AP-42 2,2,4-IMP 0.002060 lb/bbl 623 lb/yr 623 lb/yr AP-42 E-Benzene 0.001162 lb/bbl 351 lb/yr 351 lb/yr AP-42 Pollutant Emission Factor VOC 4.817365462 lb/1000 gal Benzene 0.027680079 lb/1000 gal n-Hexane 0.14736917 lb/1000 gal Toluene 0.060523408 lb/1000 gal Xylenes 0.062820349 lb/1000 gal 2,2,4-TMP 0.049058171 lb/1000 gal E-Benzene 0.027670346 lb/1000 gal 'Regulation 3 APEN and Permitting Requirements Is this site considered an exploration and production location(e.g.well pad)? Yes If yes, review the following two exemptions for applicability: Does the operator unload less than 10,000 gallons(238 BBLs)per day of crude oil on an annual average basis? No If yes,this emissions point is categorically exempt from permit requirements per Regulation 3,Part B,Section II.D.1.I Does this operator unload less than 6,750 bbls per year of condensate via splash fill or 16,308 bbls per year of condensate via submerged fill procedure? No If yes,this emissions point is categorically exempt from permit requirements per Regulation 3,Part B,Section II.D.1.1 'Regulation 2-Odor Section I.A-No person,wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7)or more volumes of odor free air. 'Regulation 3-APENs', Construction Permits, Operating Permits, PSD Criteria Pollutants: For criteria pollutants,Air Pollutant Emission Notices are required for: each individual emission point in a non-attainment area with uncontrolled actual emissions of one ton per year or more of any individual criteria pollutant(pollutants are not summed)for which the area is non- attainment. (Applicant is required to file an APEN since emissions exceed 1 tons per year VOC) Part B—Construction Permit Exemptions Applicant is required to obtain a permit since uncontrolled VOC emissions from this facility are greater than the 2.0 TPY threshold(Reg.3, Part B,Section II.D.2.a) Part B,III.D.2-RACT requirements for new or modified minor sources This section of Regulation 3 requires RACT for new or modified minor sources located in nonattainment or attainment/maintenance areas.This source is located in the 8-hour ozone nonattainment area, but not the 1-hour ozone area. The date of interest for determining whether the source is new or modified is therefore November 20,2007(the date of the 8-hour ozone NA area designation).Since the tank battery from which loadout is occurring came into service since after the date above(installation date of storage tanks= 04/14),this source is considered "new or modified." Operator is using submerged fill(0.6 saturation factor),therefore, RACT requirements are satisfied. 'Regulation 6-New Source Performance Standards No applicable subpart. This facility is not a bulk gasoline terminal. 'Regulation 7-Volatile Organic Compounds No sections apply. Per Regulation 7,Section VI.C,a terminal is defined as a petroleum liquid storage and distribution facility that has a daily average throughput of more than 76,000 liters of gasoline (20,000 gallons),which is loaded directly into transport vehicles. This facility is neither a terminal,nor a bulk plant per definitions in Reg 7,Section VI.C. Regulation 8-Hazardous Air Pollutants MACT EEEE: Not subject because a syntheic minor source of HAPs Notes: 1. The mass fractions utilized to calculate the HAP emission factors were obtained from the liquids analysis for the Anschutz State 4-62-1721CH2 well included in the permit application. The date the sample was taken that was used in the analysis is 09/08/14. 2. The operator reviewed.the permit and the only update requested was to change the uncontrolled emission rate of ethylbenzene from 351 to 352 lbs/year in#4 of notes to permit holder. This slightly differs from the value found above,but matches with the calculations submitted in the application. This difference is simply due to rounding. Construction Permit Application Preliminary Analysis Summary Section 1 —Applicant Information Company Name: Bill Barrett Corporation Permit Number: 14WE1772 Source Location: Anschutz State 4-62-2 SWNW Section 2,Township 4N, Range 62W Heated separator and two vapor recovery towers to reduce flash emissions. Emissions are a function of condensate throughput during Description VRU bypass. The heated separator and VRTs are controlled by five(5) enclosed flares during VRU downtime (35% of total condensate throughput). The flares have a minimum control efficiency of 95%. It is assumed that the VRUs are operational 65% of the time. AIRS ID: 123-9CDC-009 Date: 04/28/2015 Review Engineer: Harrison Slaughter Control Engineer: Chris Laplante Section 2—Action Completed Grandfathered Modification APEN Required/Permit Exempt X CP1 Transfer of Ownership APEN Exempt/Permit Exempt Section 3—Applicant Completeness Review Was the correct APEN submitted for this source type? X Yes No Is the APEN signed with an original signature? X Yes No Was the APEN filled out completely? X Yes No Did the applicant submit all required paperwork? Yes X No Did the applicant provide ample information to determine emission rates? X Yes No If you answered "no"to any of the above, when did you mail an The source did not provide an O&M Information Request letter to the source? Plan for the heated separator and VRTs to be permitted. An email was sent to the operator on 04/28/15 requesting the O&M plan. An O&M plan was received from the operator on 05/01/15 On what date was this application complete? April 7, 2015 Section 4—Source Description AIRS Point Equipment Description Heated separator and two vapor recovery towers to reduce flash emissions. Emissions are a function of condensate throughput during VRU bypass. The 009 heated separator and VRTs are controlled by five(5)enclosed flares during VRU downtime (35% of total condensate throughput). The flares have a minimum control efficiency of 95%. It is assumed that the VRUs are operational 65% of the time. Is this a portable source? Yes X No Page 1 Is this location in a non-attainment area for any criteria X Yes No pollutant? If"yes", for what pollutant? PM10 CO X Ozone Is this location in an attainment maintenance area for Yes X No any criteria pollutant? If"yes", for what pollutant? (Note: These pollutants are subject to minor source N/A PM10 N/A CO N/A Ozone RACT per Regulation 3, Part B, Section III.D.2) Is this source located in the 8-hour ozone non- attainment region? (Note: If"yes"the provisions of X Yes No Regulation 7, Sections XII and XVII.C may apply) Section 5—Emission Estimate Information AIRS Point Emission Factor Source Operator provided site-specific emission factors determined through the use of a 009 Pro-Max simulation with a basis production rate of 1 bbl/day. Please refer to Section 14 for calculations. Did the applicant provide actual process data for the emission inventory? X Yes No Basis for Potential to Emit(PTE) AIRS Point Process Consumption/Throughput/Production 009 105,855 bbl/year(1.2*88,213bbl/year)—Representative of 35% of condensate throughput during VRU downtime Basis for Actual Emissions Reported During this APEN Filing (Reported to Inventory) AIRS Point Process Consumption/Throughput/Production Data Year 009 88,213 bbl/year(Representative of 35% of condensate throughput 2014 during VRU downtime Basis for Permitted Emissions(Permit Limits) AIRS Point Process Consumption/Throughput/Production 009 105,855 bbl/year(1.2*88,213bb1/year)—Representative of 35% of condensate throughput during VRU downtime Does this facility use control devices? X Yes No AIRS Point Process Control Device Description % Reduction Granted 009 01 VRU used to capture flash gas a route to sales 100 (35% annual pipeline bypass) 009 02 Five(5)48" Leed Enclosed Combustors 95 Section 6—Emission Summary(tons per year) Point NO. VOC CO SOx PM10 Single Total HAP HAP PTE: 009 1.4 780.6 7.7 --- --- 19.8 30.2 (n-Hexane) Uncontrolled point 009 1.4 780.6 7.7 --- - 19.8 30.2 source emission rate: (n-Hexane) Controlled point 009 1.4 39.1 7.7 --- --- 1.0 1.5 source emission rate: (n-Hexane) TOTAL PERMITTED 009 1.4 39.1 7.7 --- --- 1.0 1.5 (TPY) (n-Hexane) Section 7—Non-Criteria/Hazardous Air Pollutants Uncontrolled Are the Controlled Emission Pollutant CAS# BIN Emission Rate emissions Ib/ r (Ib/yr) reportable? Rate( Y) Page 2 Benzene 71432 A 7,156 Yes 358 Toluene 108883 C 5,600 Yes 280 Ethylbenzene 100414 C 943 Yes 48 Xylenes 1130207 C 1,821 Yes 91 n-Hexane 110543 C 39,495 Yes 1,975 2,2,4-Trimethylpentane 540841 C 5,417 Yes 271 Note: Regulation 3, Part A, Section II.B.3.b APEN emission reporting requirements for non-criteria air pollutants are based on potential emissions without credit for reductions achieved by control devices used by the operator. Section 8—Testing Requirements Will testing be required to show compliance with any emission rate or regulatory X Yes No standard? If"yes", complete the information listed below AIRS Point Process Pollutant Regulatory Basis Test Method VOC, Site-specific liquid 009 01 HAPS State only requirement analysis(annual basis) Section 9—Source Classification What is this facility classification? True X Synthetic Major Minor Minor Classification relates to what X Title V PSD X NA NSR MACT programs? Is this a modification to an existing permit? Yes X No If"yes"what kind of modification? N/A Minor N/A Synthetic N/A Major Minor Section 10—Public Comment Does this permit require public comment per CAQCC Regulation 3? X Yes No If"yes",for which pollutants?Why? VOC For Reg. 3, Part B, III.C.1.a (emissions increase> 25/50 tpy)? X Yes No For Reg. 3, Part B, III.C.1.c.iii (subject to MACT)? Yes X No For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? X Yes No Section 11 —Modeling Is modeling required to demonstrate compliance with National Ambient Yes X No Air Quality Standards (NAAQS)? If"yes", for which pollutants?Why? NOx emissions are less than 40 TPY. AIRS Section 12—Regulatory Review Point Regulation 1 Particulate, Smoke,Carbon Monoxide and Sulfur Dioxide Page 3 Section II.A.1 -Except as provided in paragraphs 2 through 6 below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which is in excess of 20%opacity. This standard is based on 24 consecutive opacity readings taken at 15-second intervals for six minutes. The approved reference test method for visible emissions measurement is 009 EPA Method 9 (40 CFR, Part 60,Appendix A(July, 1992)) in all subsections of Section II.A and B of this regulation. Section II.A.5-Smokeless Flare or Flares for the Combustion of Waste Gases No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity for a period or periods aggregating more than six minutes in any sixty consecutive minutes. Regulation 2-Odor Section I.A-No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in 009 excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7)or more volumes of odor free air. Regulation 3-APENs, Construction Permits, Operating Permits,PSD Part A-APEN Requirements Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for: each 009 individual emission point in an non-attainment area with uncontrolled actual emissions of one ton per year or more of any individual criteria pollutant(pollutants are not summed)for which the area is non- attainment. (Applicant is required to file an APEN since emissions exceed 1 ton per year VOC) Part B—Construction Permit Exemptions 009 Applicant is required to obtain a permit since uncontrolled VOC emissions from this facility are greater than the 2.0 TPY threshold (Reg.3, Part B, Section Il.D.2.a) Re®elation 6 New Source Performance Standards 009 None Regulation 7-Volatile Or•anic Compounds Was the well newly constructed, hydraulically fractured, or recompleted on or after August 1 2014? Yes (In the cover letter, it is expressed that the four wells began producing on August 009 03, 2014)— Based on the interpretation of the team the date of first production is the equivalent date to a well being "newly constructed?' This separator is subject to Reg 7, Section XVII.G. and control requirements of Reg 7, XVII.B.2 Regulation 8-Hazardous Air Pollutants 009 None Section 13—Aerometric Information Retrieval System Coding Information Point Process Process Description Emission Pollutant/ Fugitive Emission Factor Control Factor CAS# (Y/N) Source (%) 14.747 VOC No Engineering 95 lb/bbl Calculation 0.068 AP-42, lb/MMBtu NOx No Table 13.5-1 NA 0.37 AP-42, lb/MMBtu CO No Table 13.5-1 NA One(1)heated separator 0.0676 Benzene/ No Engineering 95 and two(2)VRTs lb/bbl 71432 Calculation 0.0529 Toluene/ Engineering 009 02 controlled by five(5) No 95 ECDs during VRU lb/bbl 108883 Calculation 0.0089 Ethlybenzene Engineering downtime. No 95 /1 14 lb/bbl 004 Calculation 0.0172 Xylenes/ Engineering lb/bbl 1130207 No Calculation 95 0.3731 n-Hexane/ Engineering lb/bbl 110543 No Calculation 95 0.0512 2,2,4-TMP/ Engineering lb/bbl 540841 No Calculation 95 Page 4 SCC 31000205-Flares Section 14—Miscellaneous Application Notes Heated separator and two vapor recovery towers to reduce flash emissions. Emissions are a function of condensate throughput during VRU bypass. AIRS Point 009 The heated separator and VRTs are controlled by five (5) enclosed flares during VRU downtime(35% of total condensate throughput). The flares have a minimum control efficiency of 95%. It is assumed that the VRUs are operational 65% of the time. A permit will be issued because the uncontrolled VOC emissions are greater than 1 TPY(APEN threshold)and greater than 2 TPY(permit threshold). The operator utilized site specific emission factors. The site specific liquid analysis provided in the application was utilized as an input for a Pro-Max simulation (i.e. mole% of each component of liquid stream). The Pro-Max flash simulation was run using a basis rate of 1 barrel/day. The output of the Pro- Max simulation resulted in rates of flash gas from the heated separator and VRT gas reported in (Ib/hr)/(1 bbl/day). These outputs were summed and served as the basis for the emission factors reported on the APEN. The emissions from ProMax are as follow: Pollutant Pro-Max VRT Gas Stream Rate Pro-Max Heated Separator (lb/hr/bbl/day) Flash Gas Stream Rate (lb/hr/bbl/day) VOC 0.0066986 0.60776 Benzene 0.0000190479 0.00279583 n-Hexane 0.000102170 0.0154421 Toluene 0.0000117288 0.00219310 Xylenes 0.00000289002 0.000712608 Ethylbenzene 0.00000155249 0.000371104 2,2,4-Trimethylpentane 0.000019264 0.00212044 The calculations used to determine the emission factors in lb/bbl as reported on the APEN are as follow: Given Information: • Requested Throughput(based on 35% of condensate throughput) = 105,855 bbl/year(290 bbl/day). This throughput is based on the estimated 35% downtime of the VRU, which typically routes the flash gas to a sales pipeline. Calculation: EF(lb/bbl) = (EFproMax,VRT+EFProMax,Heated Separator) *24hrs/day Example Calculation for VOC: 70.0066986 lb/hr 0.60776 lb/hr\ 24hrs 14.7471b EFvoc = 1bb1 + lbbl * day bbl (day) (day) **Actual and requested emissions reported on the APEN were calculated by multiplying the emission factors (lb/bbl) by the actual and requested throughputs. An extended natural gas liquid analysis from the Anschutz State 4-62-2-1721CH well was provided in the application dated 09/25/2014. The gas analysis was performed within less than a year of submittal of the permit application. An updated extended gas analysis will not be required because: -an extended gas analysis was performed within a year of this submittal and included with this package. The NOx and CO emissions were calculated through the following method: Given information: Heating Value (Btu/scf) Throughput(MMscf/day) Separator 2706.15 0.000133132 VRT 2436.91 0.00000176909 *The heating value and throughput were obtained from the appropriate streams in ProMax Page 5 **The pilot gas was also taken into consideration in the determination of the NOx and CO emissions. The pilot gas throughput per ECD was given as 50scf/hr. Since there are five(5) ECDs at the location the total throughput was determined to be 250 scf/hr. This was converted to a value of 2,916 MMBtu/yr using the field gas heating value of 1331.4 btu/scf. The pilot gas was then weighted based on the three sources controlled by the ECDs(water tanks, condensate tanks and separatorNRT). The apportioned pilot gas for the VRT/separator was determined to be 2663.5 MMBtu/yr. The following calculation was conducted to convert the throughput of the separator and VRT to units of MMBtu/yr: 0.000133132 MMscf (1.0x106scn lday 105,855 bbl (2706.15 Btu MMBtu Separator= p day MMscf lbbl year scf 1.0x106Btu 38,137MMBtu yr 0.00000176909 MMscf * * * *\ (1.0x106scf\ (\day\ (105,855 bbl\ (2436.91 Btu\ ( MMBtu l VRT= ( day I*I\ MMscf //II l lbbl) \ year I l scf I 11.0x106Btul 456MMBtu yr The separator and VRT values calculated above were then summed with the apportioned pilot gas and then multiplied by the appropriate emission factor to determine the NOx and CO emissions. A sample calculation is as follows: 38,137MMBtu 456MMBtu 2663.5MMBtuI (0.0681bN0xl ( lton l NOx= ( + + *\ MMBtu )*120001bs1 = 1.4tpy yr yr yr / This calculation was repeated to determine the CO emissions as well. Both calculations above were repeated in order to determine the actual year emissions. Notes: 1. On April 30th,2015,the operator expressed that they would like to change the VRU bypass from 10%to 35%. Updated calculations were provided and this requested change was incorporated into the project. 2. The operator reviewed the draft permit and provided comments. The first request was to add the following language to the periodic testing condition in the permit: verified using ProMax"or other Division approved simulation".This change was agreed to and made. The periodic testing condition was subsequently removed from the permit since it was determined that the outcome of the test would not provide a beneficial result to either the operator or the Division. The operator also requested that the uncontrolled emission rates for toluene and ethlybenzene in#4 of notes to permit holder be updated. Toluene was updated from 5600 to 5601 lb/yr,while ethlybenzene was updated from 943 to 947 lb/year. 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